(19)
(11) EP 0 602 670 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.12.1994 Bulletin 1994/51

(43) Date of publication A2:
22.06.1994 Bulletin 1994/25

(21) Application number: 93120427.5

(22) Date of filing: 17.12.1993
(51) International Patent Classification (IPC)5: B04B 1/20
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI NL SE

(30) Priority: 18.12.1992 JP 338467/92
14.12.1993 JP 313721/93

(71) Applicant: Tsukishima Kikai Co. Ltd.
Chuo-ku Tokyo (JP)

(72) Inventors:
  • Nishida, Katsunori, c/o Tsukishima Kikai Co., Ltd.
    Chuo-ku, Tokyo (JP)
  • Miyano, Keiichiro, c/o Tsukishima Kikai Co., Ltd.
    Chuo-ku, Tokyo (JP)
  • Iwase, Masaki, c/o Tsukishima Kikai Co., Ltd.
    Chuo-ku, Tokyo (JP)
  • Ichinose, Eiji, c/o Tsukishima Kikai Co., Ltd.
    Chuo-ku, Tokyo (JP)

(74) Representative: Hagemann, Heinrich, Dr.rer.nat., Dipl.-Chem. et al
Patentanwälte Hagemann & Kehl Postfach 86 03 29
81630 München
81630 München (DE)


(56) References cited: : 
   
       


    (54) Centrifugal concentrating machine


    (57) Discharge passages for concentrated and separated liquids are separately formed in shafts of a rotary bowl 1 and screw conveyor 1. In an inlet passage of the radial discharge passage leading from the inside of the rotary bowl 1 to said discharge passage in the shaft, an annular space is divided into sectors by a plurality of deceleration vanes 23, 24 which are mounted on the screw conveyor 2 and extend in a radial direction from the axis of the machine.






    Search report